(1990). General relativity and gravitation, 1989: Proceedings of the 12th International Conference on General Relativity and Gravitation, University of Colorado at Boulder, July 2 - 8, 1989 (1. publ.). Cambridge Univ. Press.
Chicago-Zitierstil (17. Ausg.)General Relativity and Gravitation, 1989: Proceedings of the 12th International Conference on General Relativity and Gravitation, University of Colorado at Boulder, July 2 - 8, 1989. 1. publ. Cambridge u.a: Cambridge Univ. Press, 1990.
MLA-Zitierstil (9. Ausg.)General Relativity and Gravitation, 1989: Proceedings of the 12th International Conference on General Relativity and Gravitation, University of Colorado at Boulder, July 2 - 8, 1989. 1. publ. Cambridge Univ. Press, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.